Difference between revisions of "Echo"
(Created page with "==Key Stage 3== ===Meaning=== An echo is a reflection of sound. ===About Echos=== : An echo happens when sound in the air meets the boundary with a ...") |
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===About Echos=== | ===About Echos=== | ||
| − | : An [[echo]] happens when [[sound]] in | + | : An [[echo]] happens when [[sound]] in a [[gas]] or a [[liquid]] meets the boundary with a [[solid]]. |
| + | : Some [[animal]]s like [[bat]]s and [[dolphin]]s use [[echo]] location to find their [[prey]] by making a [[sound]] and listening for the [[echo]]. | ||